# Copyright (c) 2021, Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

from __future__ import annotations

import unittest
from contextlib import contextmanager
from unittest.mock import patch

from ansible_collections.community.internal_test_tools.tests.unit.plugins.modules.utils import (
    AnsibleExitJson,
    ModuleTestCase,
    set_module_args,
)

from ansible_collections.community.general.plugins.modules import keycloak_client_rolemapping

from io import StringIO
from itertools import count


@contextmanager
def patch_keycloak_api(
    get_group_by_name=None,
    get_client_id=None,
    get_client_role_id_by_name=None,
    get_client_group_rolemapping_by_id=None,
    get_client_group_available_rolemappings=None,
    get_client_group_composite_rolemappings=None,
    add_group_rolemapping=None,
    delete_group_rolemapping=None,
):
    """Mock context manager for patching the methods in PwPolicyIPAClient that contact the IPA server

    Patches the `login` and `_post_json` methods

    Keyword arguments are passed to the mock object that patches `_post_json`

    No arguments are passed to the mock object that patches `login` because no tests require it

    Example::

        with patch_ipa(return_value={}) as (mock_login, mock_post):
            ...
    """

    obj = keycloak_client_rolemapping.KeycloakAPI
    with patch.object(obj, "get_group_by_name", side_effect=get_group_by_name) as mock_get_group_by_name:
        with patch.object(obj, "get_client_id", side_effect=get_client_id) as mock_get_client_id:
            with patch.object(
                obj, "get_client_role_id_by_name", side_effect=get_client_role_id_by_name
            ) as mock_get_client_role_id_by_name:
                with patch.object(
                    obj, "get_client_group_rolemapping_by_id", side_effect=get_client_group_rolemapping_by_id
                ) as mock_get_client_group_rolemapping_by_id:
                    with patch.object(
                        obj,
                        "get_client_group_available_rolemappings",
                        side_effect=get_client_group_available_rolemappings,
                    ) as mock_get_client_group_available_rolemappings:
                        with patch.object(
                            obj,
                            "get_client_group_composite_rolemappings",
                            side_effect=get_client_group_composite_rolemappings,
                        ) as mock_get_client_group_composite_rolemappings:
                            with patch.object(
                                obj, "add_group_rolemapping", side_effect=add_group_rolemapping
                            ) as mock_add_group_rolemapping:
                                with patch.object(
                                    obj, "delete_group_rolemapping", side_effect=delete_group_rolemapping
                                ) as mock_delete_group_rolemapping:
                                    yield (
                                        mock_get_group_by_name,
                                        mock_get_client_id,
                                        mock_get_client_role_id_by_name,
                                        mock_add_group_rolemapping,
                                        mock_get_client_group_rolemapping_by_id,
                                        mock_get_client_group_available_rolemappings,
                                        mock_get_client_group_composite_rolemappings,
                                        mock_delete_group_rolemapping,
                                    )


def get_response(object_with_future_response, method, get_id_call_count):
    if callable(object_with_future_response):
        return object_with_future_response()
    if isinstance(object_with_future_response, dict):
        return get_response(object_with_future_response[method], method, get_id_call_count)
    if isinstance(object_with_future_response, list):
        call_number = next(get_id_call_count)
        return get_response(object_with_future_response[call_number], method, get_id_call_count)
    return object_with_future_response


def build_mocked_request(get_id_user_count, response_dict):
    def _mocked_requests(*args, **kwargs):
        url = args[0]
        method = kwargs["method"]
        future_response = response_dict.get(url, None)
        return get_response(future_response, method, get_id_user_count)

    return _mocked_requests


def create_wrapper(text_as_string):
    """Allow to mock many times a call to one address.
    Without this function, the StringIO is empty for the second call.
    """

    def _create_wrapper():
        return StringIO(text_as_string)

    return _create_wrapper


def mock_good_connection():
    token_response = {
        "http://keycloak.url/auth/realms/master/protocol/openid-connect/token": create_wrapper(
            '{"access_token": "alongtoken"}'
        ),
    }
    return patch(
        "ansible_collections.community.general.plugins.module_utils.identity.keycloak.keycloak.open_url",
        side_effect=build_mocked_request(count(), token_response),
        autospec=True,
    )


class TestKeycloakRealm(ModuleTestCase):
    def setUp(self):
        super().setUp()
        self.module = keycloak_client_rolemapping

    def test_map_clientrole_to_group_with_name(self):
        """Add a new realm"""

        module_args = {
            "auth_keycloak_url": "http://keycloak.url/auth",
            "auth_password": "admin",
            "auth_realm": "master",
            "auth_username": "admin",
            "auth_client_id": "admin-cli",
            "realm": "realm-name",
            "state": "present",
            "client_id": "test_client",
            "group_name": "test_group",
            "parents": [{"name": "parent_group"}],
            "roles": [
                {
                    "name": "test_role1",
                },
                {
                    "name": "test_role1",
                },
            ],
        }
        return_value_get_group_by_name = [
            {
                "access": {"manage": "true", "manageMembership": "true", "view": "true"},
                "attributes": "{}",
                "clientRoles": "{}",
                "id": "92f2400e-0ecb-4185-8950-12dcef616c2b",
                "name": "test_group",
                "path": "/parent_group/test_group",
                "realmRoles": "[]",
                "subGroups": "[]",
            }
        ]
        return_value_get_client_id = "c0f8490c-b224-4737-a567-20223e4c1727"
        return_value_get_client_role_id_by_name = "e91af074-cfd5-40ee-8ef5-ae0ae1ce69fe"
        return_value_get_client_group_available_rolemappings = [
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ]
        ]
        return_value_get_client_group_composite_rolemappings = [
            None,
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ],
        ]

        changed = True

        # Run the module

        with set_module_args(module_args):
            with mock_good_connection():
                with patch_keycloak_api(
                    get_group_by_name=return_value_get_group_by_name,
                    get_client_id=return_value_get_client_id,
                    get_client_role_id_by_name=return_value_get_client_role_id_by_name,
                    get_client_group_available_rolemappings=return_value_get_client_group_available_rolemappings,
                    get_client_group_composite_rolemappings=return_value_get_client_group_composite_rolemappings,
                ) as (
                    mock_get_group_by_name,
                    mock_get_client_id,
                    mock_get_client_role_id_by_name,
                    mock_add_group_rolemapping,
                    mock_get_client_group_rolemapping_by_id,
                    mock_get_client_group_available_rolemappings,
                    mock_get_client_group_composite_rolemappings,
                    mock_delete_group_rolemapping,
                ):
                    with self.assertRaises(AnsibleExitJson) as exec_info:
                        self.module.main()

        self.assertEqual(mock_get_group_by_name.call_count, 1)
        self.assertEqual(mock_get_client_id.call_count, 1)
        self.assertEqual(mock_add_group_rolemapping.call_count, 1)
        self.assertEqual(mock_get_client_group_rolemapping_by_id.call_count, 0)
        self.assertEqual(mock_get_client_group_available_rolemappings.call_count, 1)
        self.assertEqual(mock_get_client_group_composite_rolemappings.call_count, 2)
        self.assertEqual(mock_delete_group_rolemapping.call_count, 0)

        # Verify that the module's changed status matches what is expected
        self.assertIs(exec_info.exception.args[0]["changed"], changed)

    def test_map_clientrole_to_group_with_name_idempotency(self):
        """Add a new realm"""

        module_args = {
            "auth_keycloak_url": "http://keycloak.url/auth",
            "auth_password": "admin",
            "auth_realm": "master",
            "auth_username": "admin",
            "auth_client_id": "admin-cli",
            "realm": "realm-name",
            "state": "present",
            "client_id": "test_client",
            "group_name": "test_group",
            "roles": [
                {
                    "name": "test_role1",
                },
                {
                    "name": "test_role1",
                },
            ],
        }
        return_value_get_group_by_name = [
            {
                "access": {"manage": "true", "manageMembership": "true", "view": "true"},
                "attributes": "{}",
                "clientRoles": "{}",
                "id": "92f2400e-0ecb-4185-8950-12dcef616c2b",
                "name": "test_group",
                "path": "/test_group",
                "realmRoles": "[]",
                "subGroups": "[]",
            }
        ]
        return_value_get_client_id = "c0f8490c-b224-4737-a567-20223e4c1727"
        return_value_get_client_role_id_by_name = "e91af074-cfd5-40ee-8ef5-ae0ae1ce69fe"
        return_value_get_client_group_available_rolemappings = [[]]
        return_value_get_client_group_composite_rolemappings = [
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ]
        ]

        changed = False

        # Run the module

        with set_module_args(module_args):
            with mock_good_connection():
                with patch_keycloak_api(
                    get_group_by_name=return_value_get_group_by_name,
                    get_client_id=return_value_get_client_id,
                    get_client_role_id_by_name=return_value_get_client_role_id_by_name,
                    get_client_group_available_rolemappings=return_value_get_client_group_available_rolemappings,
                    get_client_group_composite_rolemappings=return_value_get_client_group_composite_rolemappings,
                ) as (
                    mock_get_group_by_name,
                    mock_get_client_id,
                    mock_get_client_role_id_by_name,
                    mock_add_group_rolemapping,
                    mock_get_client_group_rolemapping_by_id,
                    mock_get_client_group_available_rolemappings,
                    mock_get_client_group_composite_rolemappings,
                    mock_delete_group_rolemapping,
                ):
                    with self.assertRaises(AnsibleExitJson) as exec_info:
                        self.module.main()

        self.assertEqual(mock_get_group_by_name.call_count, 1)
        self.assertEqual(mock_get_client_id.call_count, 1)
        self.assertEqual(mock_add_group_rolemapping.call_count, 0)
        self.assertEqual(mock_get_client_group_rolemapping_by_id.call_count, 0)
        self.assertEqual(mock_get_client_group_available_rolemappings.call_count, 1)
        self.assertEqual(mock_get_client_group_composite_rolemappings.call_count, 1)
        self.assertEqual(mock_delete_group_rolemapping.call_count, 0)

        # Verify that the module's changed status matches what is expected
        self.assertIs(exec_info.exception.args[0]["changed"], changed)

    def test_map_clientrole_to_group_with_id(self):
        """Add a new realm"""

        module_args = {
            "auth_keycloak_url": "http://keycloak.url/auth",
            "auth_password": "admin",
            "auth_realm": "master",
            "auth_username": "admin",
            "auth_client_id": "admin-cli",
            "realm": "realm-name",
            "state": "present",
            "cid": "c0f8490c-b224-4737-a567-20223e4c1727",
            "gid": "92f2400e-0ecb-4185-8950-12dcef616c2b",
            "roles": [
                {
                    "name": "test_role1",
                },
                {
                    "name": "test_role1",
                },
            ],
        }
        return_value_get_group_by_name = [
            {
                "access": {"manage": "true", "manageMembership": "true", "view": "true"},
                "attributes": "{}",
                "clientRoles": "{}",
                "id": "92f2400e-0ecb-4185-8950-12dcef616c2b",
                "name": "test_group",
                "path": "/test_group",
                "realmRoles": "[]",
                "subGroups": "[]",
            }
        ]
        return_value_get_client_id = "c0f8490c-b224-4737-a567-20223e4c1727"
        return_value_get_client_role_id_by_name = "e91af074-cfd5-40ee-8ef5-ae0ae1ce69fe"
        return_value_get_client_group_available_rolemappings = [
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ]
        ]
        return_value_get_client_group_composite_rolemappings = [
            None,
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ],
        ]

        changed = True

        # Run the module

        with set_module_args(module_args):
            with mock_good_connection():
                with patch_keycloak_api(
                    get_group_by_name=return_value_get_group_by_name,
                    get_client_id=return_value_get_client_id,
                    get_client_role_id_by_name=return_value_get_client_role_id_by_name,
                    get_client_group_available_rolemappings=return_value_get_client_group_available_rolemappings,
                    get_client_group_composite_rolemappings=return_value_get_client_group_composite_rolemappings,
                ) as (
                    mock_get_group_by_name,
                    mock_get_client_id,
                    mock_get_client_role_id_by_name,
                    mock_add_group_rolemapping,
                    mock_get_client_group_rolemapping_by_id,
                    mock_get_client_group_available_rolemappings,
                    mock_get_client_group_composite_rolemappings,
                    mock_delete_group_rolemapping,
                ):
                    with self.assertRaises(AnsibleExitJson) as exec_info:
                        self.module.main()

        self.assertEqual(mock_get_group_by_name.call_count, 0)
        self.assertEqual(mock_get_client_id.call_count, 0)
        self.assertEqual(mock_add_group_rolemapping.call_count, 1)
        self.assertEqual(mock_get_client_group_rolemapping_by_id.call_count, 0)
        self.assertEqual(mock_get_client_group_available_rolemappings.call_count, 1)
        self.assertEqual(mock_get_client_group_composite_rolemappings.call_count, 2)
        self.assertEqual(mock_delete_group_rolemapping.call_count, 0)

        # Verify that the module's changed status matches what is expected
        self.assertIs(exec_info.exception.args[0]["changed"], changed)

    def test_remove_clientrole_from_group(self):
        """Add a new realm"""

        module_args = {
            "auth_keycloak_url": "http://keycloak.url/auth",
            "auth_password": "admin",
            "auth_realm": "master",
            "auth_username": "admin",
            "auth_client_id": "admin-cli",
            "realm": "realm-name",
            "state": "absent",
            "client_id": "test_client",
            "group_name": "test_group",
            "roles": [
                {
                    "name": "test_role1",
                },
                {
                    "name": "test_role1",
                },
            ],
        }
        return_value_get_group_by_name = [
            {
                "access": {"manage": "true", "manageMembership": "true", "view": "true"},
                "attributes": "{}",
                "clientRoles": "{}",
                "id": "92f2400e-0ecb-4185-8950-12dcef616c2b",
                "name": "test_group",
                "path": "/test_group",
                "realmRoles": "[]",
                "subGroups": "[]",
            }
        ]
        return_value_get_client_id = "c0f8490c-b224-4737-a567-20223e4c1727"
        return_value_get_client_role_id_by_name = "e91af074-cfd5-40ee-8ef5-ae0ae1ce69fe"
        return_value_get_client_group_available_rolemappings = [[]]
        return_value_get_client_group_composite_rolemappings = [
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ],
            [],
        ]

        changed = True

        # Run the module

        with set_module_args(module_args):
            with mock_good_connection():
                with patch_keycloak_api(
                    get_group_by_name=return_value_get_group_by_name,
                    get_client_id=return_value_get_client_id,
                    get_client_role_id_by_name=return_value_get_client_role_id_by_name,
                    get_client_group_available_rolemappings=return_value_get_client_group_available_rolemappings,
                    get_client_group_composite_rolemappings=return_value_get_client_group_composite_rolemappings,
                ) as (
                    mock_get_group_by_name,
                    mock_get_client_id,
                    mock_get_client_role_id_by_name,
                    mock_add_group_rolemapping,
                    mock_get_client_group_rolemapping_by_id,
                    mock_get_client_group_available_rolemappings,
                    mock_get_client_group_composite_rolemappings,
                    mock_delete_group_rolemapping,
                ):
                    with self.assertRaises(AnsibleExitJson) as exec_info:
                        self.module.main()

        self.assertEqual(mock_get_group_by_name.call_count, 1)
        self.assertEqual(mock_get_client_id.call_count, 1)
        self.assertEqual(mock_add_group_rolemapping.call_count, 0)
        self.assertEqual(mock_get_client_group_rolemapping_by_id.call_count, 0)
        self.assertEqual(mock_get_client_group_available_rolemappings.call_count, 1)
        self.assertEqual(mock_get_client_group_composite_rolemappings.call_count, 2)
        self.assertEqual(mock_delete_group_rolemapping.call_count, 1)

        # Verify that the module's changed status matches what is expected
        self.assertIs(exec_info.exception.args[0]["changed"], changed)

    def test_remove_clientrole_from_group_idempotency(self):
        """Add a new realm"""

        module_args = {
            "auth_keycloak_url": "http://keycloak.url/auth",
            "auth_password": "admin",
            "auth_realm": "master",
            "auth_username": "admin",
            "auth_client_id": "admin-cli",
            "realm": "realm-name",
            "state": "absent",
            "client_id": "test_client",
            "group_name": "test_group",
            "roles": [
                {
                    "name": "test_role1",
                },
                {
                    "name": "test_role1",
                },
            ],
        }
        return_value_get_group_by_name = [
            {
                "access": {"manage": "true", "manageMembership": "true", "view": "true"},
                "attributes": "{}",
                "clientRoles": "{}",
                "id": "92f2400e-0ecb-4185-8950-12dcef616c2b",
                "name": "test_group",
                "path": "/test_group",
                "realmRoles": "[]",
                "subGroups": "[]",
            }
        ]
        return_value_get_client_id = "c0f8490c-b224-4737-a567-20223e4c1727"
        return_value_get_client_role_id_by_name = "e91af074-cfd5-40ee-8ef5-ae0ae1ce69fe"
        return_value_get_client_group_available_rolemappings = [
            [
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "c2bf2edb-da94-4f2f-b9f2-196dfee3fe4d",
                    "name": "test_role2",
                },
                {
                    "clientRole": "true",
                    "composite": "false",
                    "containerId": "c0f8490c-b224-4737-a567-20223e4c1727",
                    "id": "00a2d9a9-924e-49fa-8cde-c539c010ef6e",
                    "name": "test_role1",
                },
            ]
        ]
        return_value_get_client_group_composite_rolemappings = [[]]

        changed = False

        # Run the module

        with set_module_args(module_args):
            with mock_good_connection():
                with patch_keycloak_api(
                    get_group_by_name=return_value_get_group_by_name,
                    get_client_id=return_value_get_client_id,
                    get_client_role_id_by_name=return_value_get_client_role_id_by_name,
                    get_client_group_available_rolemappings=return_value_get_client_group_available_rolemappings,
                    get_client_group_composite_rolemappings=return_value_get_client_group_composite_rolemappings,
                ) as (
                    mock_get_group_by_name,
                    mock_get_client_id,
                    mock_get_client_role_id_by_name,
                    mock_add_group_rolemapping,
                    mock_get_client_group_rolemapping_by_id,
                    mock_get_client_group_available_rolemappings,
                    mock_get_client_group_composite_rolemappings,
                    mock_delete_group_rolemapping,
                ):
                    with self.assertRaises(AnsibleExitJson) as exec_info:
                        self.module.main()

        self.assertEqual(mock_get_group_by_name.call_count, 1)
        self.assertEqual(mock_get_client_id.call_count, 1)
        self.assertEqual(mock_add_group_rolemapping.call_count, 0)
        self.assertEqual(mock_get_client_group_rolemapping_by_id.call_count, 0)
        self.assertEqual(mock_get_client_group_available_rolemappings.call_count, 1)
        self.assertEqual(mock_get_client_group_composite_rolemappings.call_count, 1)
        self.assertEqual(mock_delete_group_rolemapping.call_count, 0)

        # Verify that the module's changed status matches what is expected
        self.assertIs(exec_info.exception.args[0]["changed"], changed)


if __name__ == "__main__":
    unittest.main()
